package br.com.ava.core.infra.encoding;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {

	private String encoding = "UTF-8";

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		String encodingParam = filterConfig.getInitParameter("encoding");
		if (encodingParam != null) {
			encoding = encodingParam;
		}
	}

	@Override
	public void destroy() { // NOPMD
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {

		request.setCharacterEncoding(encoding);
		response.setCharacterEncoding(encoding);
		chain.doFilter(request, response);
	}
}